# Theオセロ vs Reversi Effect

The clearest difference is in-app purchases: Theオセロ at none against Reversi Effect's 3. Theオセロ also leads on ads (none vs shown). Reversi Effect's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Reversi Effect sells 3 one-off in-app purchases. Theオセロ asks for nothing beyond the download.

Theオセロ ships an update every 6 days, Reversi Effect every 5 days. The most recent releases landed on October 4, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Theオセロ | Reversi Effect |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 days | **Every 5 days** |
| Size | 5 MB | 117 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [kazuki omori](https://appshunter.io/developer/1608167847) | [Akiko Saitou](https://appshunter.io/developer/1730901888) |

## What reviewers say

### Theオセロ

[App page](https://appshunter.io/ios/app/the/id6474555742)

**Features:** macOS Compatibility

**In-app purchases:** none


### Reversi Effect

[App page](https://appshunter.io/ios/app/reversi-effect/id6740512187)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 250pts | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |
| 500pts | $1.99 | one-time |


## Frequently asked questions

### Is Theオセロ free?

Theオセロ is free to download, with no in-app purchases.

### Is Reversi Effect free?

Reversi Effect is free to download, with in-app purchases available.

### Do Theオセロ or Reversi Effect have ads?

Reversi Effect shows ads; Theオセロ does not.

### Which is updated more often, Theオセロ or Reversi Effect?

Theオセロ ships an update every 6 days, and Reversi Effect every 5 days. Most recently, Theオセロ was updated on October 4, 2026 and Reversi Effect on October 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*